Home / 13,307.35-18,365.43-9,944.32

Finding the Fourth Proportional to 13,307.35, 18,365.43 and 9,944.32

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Solution

The fourth proportional to 13,307.35, 18,365.43 and 9,944.32 is: 13,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.35 : 18,365.43 = 9,944.32 : x
  2. Step 2: Convert to fraction form
    13,307.35/18,365.43 = 9,944.32/x
  3. Step 3: Cross multiply
    13,307.35x = 18,365.43 × 9,944.32
  4. Step 4: Simplify right side
    13,307.35x = 182,631,712.86
  5. Step 5: Solve for x
    x = 182,631,712.86/13,307.35
  6. Step 6: Final answer
    x = 13,724.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.